<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin:0px;
      padding:0px;
    }
    .box{
      width:100vw;
      height:100vh;
      background-color:orange;
    }
    .top{
      width:5.2vw;
      height:9.26vh;
      background:red;
      margin-left:2.6vw;
    }
    .bottom{
      width:5.2vw;
      height:9.26vh;
      background:skyblue;
      margin-left:2.6vw;
      margin-top:9.26vh;
    }
  </style>
</head>
<body>
  <div class="box">
    <div class="top">数据大屏</div>
    <div class="bottom"></div>
  </div>
</body>
</html>
<script>
  // vw与vh：新增的单位->兼容IE8以上
</script>